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Subject: [OASIS Issue Tracker] Commented: (OFFICE-3377) NEEDSDISCUSSION:svg:x and svg:y for chart:equation underdefined

    [ http://tools.oasis-open.org/issues/browse/OFFICE-3377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21495#action_21495 ] 

Andreas Guelzow  commented on OFFICE-3377:

I am not sure I like the idea of having units attached to svg:x and svg:y. The reason for that being that it makes the object to rigid.

If we had a right-handed coordinate system for chart:chart that puts (0,0) in the bottom left corner and (1,1) in the top right corner, then svg:x and svg:y could be unit less numbers (coordinates) and would determine a location. The benefit is that if the chart:chart is resized these svg:x and scg:y need not be changed and the location moves with the sizing. 

> NEEDS DISCUSSION:svg:x and svg:y for chart:equation underdefined
> ----------------------------------------------------------------
>                 Key: OFFICE-3377
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-3377
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>          Components: Chart
>    Affects Versions: ODF 1.2 CD 05
>            Reporter: Andreas Guelzow 
>            Assignee: Patrick Durusau
>             Fix For: ODF 1.2 CD 06
> The svg:x and svg:y attributes of chart:equation are underdefined. Specifically, they are only defined by reference to 
> "See ยง5.1.2 of [SVG]. For drawing shapes that have a non rectangular shape, the coordinate refers to the drawing shape's bounding box."
> Note that 5.1.2 of [SVG} says:
> "The x-axis coordinate of one corner of the rectangular region into which an embedded 'svg' element is placed."
> What is missing is a specification of which corner and where the origin of the coordinate system is. Moreover, it seems make little sense to define the location of the equation relative to the bounding box of the regression curve itself but it would make more sense to be relative to the plot containing the regression curve.

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